Description

This event is emitted when a user changes the visibility of an existing workspace. The event captures the new visibility setting and timestamp.

Visibility Semantics

• Public: Visible to all authenticated users
• Private: Visible only to owner (and explicitly shared users in future)

Business Rules

• Workspace must exist before changing visibility
• Visibility transitions in either direction are valid (Public to Private, Private to Public)
• Timestamp is captured at the boundary

Given-When-Then

Given a workspace exists, When the user changes the visibility setting, Then VisibilityChanged is recorded with the new visibility.